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79917 (1999 CU22)
Classification: Main-belt Asteroid          SPK-ID: 2079917
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1446158942055401 3.6487e-08  
a 2.653110082355904 1.3587e-08 au
q 2.269428195370271 9.7557e-08 au
i 11.48467286743122 3.847e-06 deg
node 335.5029902243666 2.0485e-05 deg
peri 62.24679898472515 2.5802e-05 deg
M 54.59080864587643 1.3637e-05 deg
tp 2458761.141773336442
(2019-Oct-04.64177334)
6.0153e-05 TDB
period 1578.451826164505
4.32
1.2126e-05
3.32e-08
d
yr
n .228071578766371 1.752e-09 deg/d
Q 3.036791969341538 1.5552e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1154  
   data-arc span      7683 days (21.03 yr)  
   first obs. used      1999-01-19  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4736  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:49:26  

Additional Information
 Earth MOID = 1.30059 au 
 Jupiter MOID = 2.49307 au 
 T_jup = 3.346 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.6   n/a MPO449501  
diameter diameter 7.735 km 0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79917 (1999 CU22)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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